Ex parte LA DUCA - Page 6




              Appeal No. 1996-1811                                                                                       
              Application No. 08/169,968                                                                                 


              preparation.  The only place we find the suggested combination of all three compounds                      
              into a single clot accelerant reagent is in appellant’s specification.  Therefore, we find that            
              the examiner has relied on impermissible  hindsight in making her determination of                         
              obviousness.  In re Fritch, 972 F.2d 1260, 1266, 23 USPQ2d 1780, 1784 (Fed. Cir. 1992)                     
              (“It is impermissible to engage in hindsight reconstruction of the claimed invention, using                
              the applicant’s structure as a template and selecting elements from references to fill the                 
              gaps”).  Accordingly, the rejection of claims 1-24 under 35 U.S.C.                                         

              § 103 is reversed.  Having concluded that the examiner has not established a prima facie                   

              case of obviousness, we need not consider the appellant's rebuttal evidence (see brief,                    
              pages 2, 4 and 6, referring to “the test results submitted by the applicant in Paper No.                   
                   4                                                                                                     
              16.”)   In re Fine, 837 F.2d 1071, 1076, 5 USPQ2d 1596, 1600 (Fed. Cir. 1988).                             




                                                    CONCLUSION                                                           
                     To summarize, the decision of the examiner to reject claims 1-24 under 35 U.S.C. §                  
              103 as being unpatentable over JP 58-1460 in combination with Lewis and JP 61-53567                        
              is reversed.                                                                                               


                     4Appellant’s reference to Paper No. 16 is apparently an inadvertent typographical error.  Paper No. 
              16 (filed December 1, 1994) is an extension of time request.  The amendment concurrently filed on          
              December 1, 1994 (Paper No. 17) with the extension of time request is evidently intended.                  
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